Packages

otpbp

5.4.2
7.18.0 7.16.1 7.15.0 7.14.0 7.13.0 7.12.0 7.11.0 7.10.2 7.9.3 7.9.2 7.9.1 7.8.7 7.8.6 7.8.5 7.8.4 7.7.1 7.7.0 7.6.3 7.6.2 7.6.1 7.6.0 7.5.1 7.5.0 7.4.0 7.3.4 7.3.3 7.3.2 7.3.1 7.3.0 7.2.0 7.1.1 7.1.0 7.0.4 7.0.3 7.0.2 7.0.1 6.26.0 6.25.0 6.24.0 6.23.0 6.22.2 6.21.3 6.21.2 6.21.1 6.20.2 6.19.1 6.19.0 6.18.3 6.18.2 6.18.1 6.18.0 6.17.1 6.17.0 6.16.0 6.15.4 6.15.3 6.15.2 6.15.1 6.15.0 6.14.0 6.13.5 6.13.4 6.13.3 6.13.2 6.13.1 6.13.0 6.12.0 6.11.2 6.11.1 6.10.0 6.9.2 6.9.1 6.9.0 6.8.0 6.7.1 6.7.0 6.6.4 6.6.3 6.6.2 6.6.1 6.6.0 6.5.0 6.4.0 6.3.3 6.3.2 6.3.1 6.3.0 6.2.1 6.2.0 6.1.0 6.0.0 5.39.0 5.38.0 5.37.0 5.36.0 5.35.2 5.34.3 5.34.2 5.34.1 5.33.1 5.32.1 5.32.0 5.31.3 5.31.2 5.31.1 5.31.0 5.30.1 5.30.0 5.29.0 5.28.4 5.28.3 5.28.2 5.28.1 5.28.0 5.27.0 5.26.5 5.26.4 5.26.3 5.26.2 5.26.1 5.26.0 5.25.0 5.24.2 5.24.1 5.23.0 5.22.2 5.22.1 5.22.0 5.21.0 5.20.1 5.20.0 5.19.4 5.19.3 5.19.2 5.19.1 5.19.0 5.18.0 5.17.0 5.16.3 5.16.1 5.16.0 5.15.1 5.15.0 5.14.0 5.13.1 5.13.0 5.12.1 5.12.0 5.11.2 5.11.1 5.10.1 5.10.0 5.9.0 5.8.0 5.7.0 5.6.1 5.6.0 5.5.0 5.4.2 5.4.1 5.4.0 5.3.0 5.2.2 5.2.1 5.2.0 5.1.2 5.1.1 4.79.0 4.78.0 4.77.0 4.76.2 4.75.3 4.75.2 4.75.1 4.74.0 4.73.1 4.73.0 4.72.3 4.72.2 4.72.1 4.72.0 4.71.1 4.71.0 4.70.0 4.69.4 4.69.3 4.69.2 4.69.1 4.69.0 4.68.0 4.67.5 4.67.4 4.67.3 4.67.2 4.67.0 4.66.0 4.65.2 4.65.1 4.64.0 4.63.2 4.63.1 4.63.0 4.62.0 4.61.1 4.61.0 4.60.4 4.60.3 4.60.2 4.60.1 4.60.0 4.59.0 4.58.0 4.57.2 4.57.1 4.57.0 4.56.2 4.56.1 4.56.0 4.55.0 4.54.0 4.53.0 4.52.1 4.52.0 4.51.3 4.51.2 4.51.0 4.50.0 4.49.3 4.49.2

OTP backports

Current section

Files

Jump to
otpbp src otpbp_lists.erl
Raw

src/otpbp_lists.erl

-module(otpbp_lists).
-ifndef(HAVE_lists__search_2).
% OTP 21.0
-export([search/2]).
-endif.
-ifndef(HAVE_lists__enumerate_1).
% OTP 25.0
-export([enumerate/1]).
-endif.
-ifndef(HAVE_lists__enumerate_2).
% OTP 25.0
-export([enumerate/2]).
-endif.
-ifndef(HAVE_lists__enumerate_3).
% OTP 26.0
-export([enumerate/3]).
-endif.
-ifndef(HAVE_lists__uniq_1).
% OTP 25.0
-export([uniq/1]).
-endif.
-ifndef(HAVE_lists__uniq_2).
% OTP 25.0
-export([uniq/2]).
-endif.
-ifndef(HAVE_lists__zip_3).
% OTP 26.0
-export([zip/3]).
-endif.
-ifndef(HAVE_lists__zip3_4).
% OTP 26.0
-export([zip3/4]).
-endif.
-ifndef(HAVE_lists__zipwith_4).
% OTP 26.0
-export([zipwith/4]).
-endif.
-ifndef(HAVE_lists__zipwith3_5).
% OTP 26.0
-export([zipwith3/5]).
-endif.
-ifndef(HAVE_lists__search_2).
search(F, [H|T]) ->
case F(H) of
true -> {value, H};
false -> search(F, T)
end;
search(F, []) when is_function(F, 1) -> false.
-endif.
-ifndef(HAVE_lists__enumerate_1).
enumerate(List) ->
{L, _} = lists:mapfoldl(fun(E, A) -> {{A, E}, A + 1} end, 1, List),
L.
-endif.
-ifndef(HAVE_lists__enumerate_2).
enumerate(Index, List) when is_integer(Index) ->
{L, _} = lists:mapfoldl(fun(E, A) -> {{A, E}, A + 1} end, Index, List),
L.
-endif.
-ifndef(HAVE_lists__enumerate_3).
enumerate(Index, Step, List) when is_integer(Index), is_integer(Step) ->
{L, _} = lists:mapfoldl(fun(E, A) -> {{A, E}, A + Step} end, Index, List),
L.
-endif.
-ifndef(HAVE_lists__uniq_1).
uniq(L) -> uniq_1(L, #{}).
uniq_1([X|Xs], M) ->
case maps:is_key(X, M) of
true -> uniq_1(Xs, M);
false -> [X|uniq_1(Xs, M#{X => true})]
end;
uniq_1([], _) -> [].
-endif.
-ifndef(HAVE_lists__uniq_2).
uniq(F, L) when is_function(F, 1) -> uniq_2(L, F, #{}).
uniq_2([X|Xs], F, M) ->
Key = F(X),
case maps:is_key(Key, M) of
true -> uniq_2(Xs, F, M);
false -> [X|uniq_2(Xs, F, M#{Key => true})]
end;
uniq_2([], _, _) -> [].
-endif.
-ifndef(HAVE_lists__zip_3).
zip(Xs, Ys, fail) -> lists:zip(Xs, Ys);
zip(Xs, Ys, trim) -> zip(Xs, Ys);
zip(Xs, Ys, {pad, {X, Y}}) -> zip(Xs, Ys, X, Y).
zip([X|Xs], [Y|Ys]) -> [{X, Y}|zip(Xs, Ys)];
zip(Xs, Ys) when is_list(Xs), is_list(Ys) -> [].
zip([X|Xs], [Y|Ys], PX, PY) -> [{X, Y}|zip(Xs, Ys, PX, PY)];
zip([], [], _, _) -> [];
zip([], [_|_] = Ys, PX, _) -> [{PX, Y} || Y <- Ys];
zip([_|_] = Xs, [], _, PY) -> [{X, PY} || X <- Xs].
-endif.
-ifndef(HAVE_lists__zip3_4).
zip3(Xs, Ys, Zs, fail) -> lists:zip3(Xs, Ys, Zs);
zip3(Xs, Ys, Zs, trim) -> zip3(Xs, Ys, Zs);
zip3(Xs, Ys, Zs, {pad, {X, Y, Z}}) -> zip3(Xs, Ys, Zs, X, Y, Z).
zip3([X|Xs], [Y|Ys], [Z|Zs]) -> [{X, Y, Z}|zip3(Xs, Ys, Zs)];
zip3(Xs, Ys, Zs) when is_list(Xs), is_list(Ys), is_list(Zs) -> [].
zip3([X|Xs], [Y|Ys], [Z|Zs], PX, PY, PZ) -> [{X, Y, Z}|zip3(Xs, Ys, Zs, PX, PY, PZ)];
zip3([], [], [], _, _, _) -> [];
zip3([], [], [_|_] = Zs, PX, PY, _) -> [{PX, PY, Z} || Z <- Zs];
zip3([], [_|_] = Ys, [], PX, _, PZ) -> [{PX, Y, PZ} || Y <- Ys];
zip3([_|_] = Xs, [], [], _, PY, PZ) -> [{X, PY, PZ} || X <- Xs];
zip3([], [Y|Ys], [Z|Zs], PX, PY, PZ) -> [{PX, Y, Z}|zip3([], Ys, Zs, PX, PY, PZ)];
zip3([X|Xs], [], [Z|Zs], PX, PY, PZ) -> [{X, PY, Z}|zip3(Xs, [], Zs, PX, PY, PZ)];
zip3([X|Xs], [Y|Ys], [], PX, PY, PZ) -> [{X, Y, PZ}|zip3(Xs, Ys, [], PX, PY, PZ)].
-endif.
-ifndef(HAVE_lists__zipwith_4).
zipwith(F, Xs, Ys, fail) -> lists:zipwith(F, Xs, Ys);
zipwith(F, Xs, Ys, trim) -> zipwith(F, Xs, Ys);
zipwith(F, Xs, Ys, {pad, {X, Y}}) -> zipwith(F, Xs, Ys, X, Y).
zipwith(F, [X|Xs], [Y|Ys]) -> [F(X, Y)|zipwith(F, Xs, Ys)];
zipwith(F, Xs, Ys) when is_function(F, 2), is_list(Xs), is_list(Ys) -> [].
zipwith(F, [X|Xs], [Y|Ys], PX, PY) -> [F(X, Y)|zipwith(F, Xs, Ys, PX, PY)];
zipwith(F, [], [], _, _) when is_function(F, 2) -> [];
zipwith(F, [], [_|_] = Ys, X, _) -> [F(X, Y) || Y <- Ys];
zipwith(F, [_|_] = Xs, [], _, Y) -> [F(X, Y) || X <- Xs].
-endif.
-ifndef(HAVE_lists__zipwith3_5).
zipwith3(F, Xs, Ys, Zs, fail) -> lists:zipwith3(F, Xs, Ys, Zs);
zipwith3(F, Xs, Ys, Zs, trim) -> zipwith3(F, Xs, Ys, Zs);
zipwith3(F, Xs, Ys, Zs, {pad, {X, Y, Z}}) -> zipwith3(F, Xs, Ys, Zs, X, Y, Z).
zipwith3(F, [X|Xs], [Y|Ys], [Z|Zs]) -> [F(X, Y, Z)|zipwith3(F, Xs, Ys, Zs)];
zipwith3(F, Xs, Ys, Zs) when is_function(F, 3), is_list(Xs), is_list(Ys), is_list(Zs) -> [].
zipwith3(F, [X|Xs], [Y|Ys], [Z|Zs], PX, PY, PZ) -> [F(X, Y, Z)|zipwith3(F, Xs, Ys, Zs, PX, PY, PZ)];
zipwith3(F, [], [], [], _, _, _) when is_function(F, 3) -> [];
zipwith3(F, [], [], [_|_] = Zs, X, Y, _) -> [F(X, Y, Z) || Z <- Zs];
zipwith3(F, [], [_|_] = Ys, [], X, _, Z) -> [F(X, Y, Z) || Y <- Ys];
zipwith3(F, [_|_] = Xs, [], [], _, Y, Z) -> [F(X, Y, Z) || X <- Xs];
zipwith3(F, [], [Y|Ys], [Z|Zs], PX, PY, PZ) -> [F(PX, Y, Z)|zipwith3(F, [], Ys, Zs, PX, PY, PZ)];
zipwith3(F, [X|Xs], [], [Z|Zs], PX, PY, PZ) -> [F(X, PY, Z)|zipwith3(F, Xs, [], Zs, PX, PY, PZ)];
zipwith3(F, [X|Xs], [Y|Ys], [], PX, PY, PZ) -> [F(X, Y, PZ)|zipwith3(F, Xs, Ys, [], PX, PY, PZ)].
-endif.